body,
div,
ul,
li {
  margin: 0;
  padding: 0;
}
body {
  font: normal 12px/1.5em "微软雅黑";
}
ul {
  list-style: none;
}
a {
  text-decoration: none;
}
.f-cb:after {
  display: block;
  clear: both;
  visibility: hidden;
  height: 0;
  overflow: hidden;
  content: ".";
}
.f-cb {
  zoom: 1;
}
.g-hd {
  height: 70px;
  background-color: wheat;
}
.g-ft {
  height: 70px;
  background-color: #FFA500;
}
/* 1190+ */
.g-mn {
  width: 1190px;
  border: 1px solid black;
  margin-left: auto;
  margin-right: auto;
}
.g-mn .m-lst {
  width: 1190px;
  overflow: hidden;
  margin-left: auto;
  margin-right: auto;
}
.g-mn .m-lst li {
  float: left;
  width: 218px;
  height: 218px;
  background-color: coral;
  margin: 10px 10px;
}
/* 990 */
@media screen and (max-width: 1200px) {
  .g-mn {
    width: 990px;
  }
  .g-mn .m-lst {
    width: 990px;
  }
  .g-mn .m-lst li {
    width: 178px;
    height: 178px;
  }
}
/* 990 */
.w990 .g-mn {
  width: 990px;
}
.w990 .g-mn .m-lst {
  width: 990px;
}
.w990 .g-mn .m-lst li {
  width: 178px;
  height: 178px;
}
